.layout{min-height:100vh;display:flex;flex-direction:column}.navbar{background:var(--bg-card);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:600;color:var(--text-primary)}.logo svg{color:var(--primary-color)}.nav-links{display:flex;gap:8px}.nav-link{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);font-size:.9rem}.nav-link:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-link.active{background:var(--primary-color);color:#fff}.main-content{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:32px 24px}.footer{background:var(--bg-card);border-top:1px solid var(--border-color);padding:24px;text-align:center;color:var(--text-muted);font-size:.875rem}@media (max-width: 640px){.nav-container{padding:0 16px;height:56px}.logo span{font-size:1rem}.nav-link span{display:none}.nav-link{padding:8px}.main-content{padding:20px 16px}}.home-page{animation:fadeIn .6s ease-out}.hero{text-align:center;padding:60px 0 80px}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:#3b82f61a;border:1px solid rgba(59,130,246,.2);border-radius:20px;font-size:.85rem;color:var(--primary-color);margin-bottom:24px}.hero-title{font-size:3rem;font-weight:700;line-height:1.2;margin-bottom:20px}.hero-title .gradient-text{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{color:var(--text-secondary);font-size:1.1rem;line-height:1.8;max-width:600px;margin:0 auto 32px}.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-md);font-size:1rem;font-weight:500;transition:all var(--transition-fast)}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.btn-secondary{background:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--border-hover);background:var(--bg-card)}.features{padding:40px 0}.section-title{text-align:center;font-size:1.75rem;font-weight:600;margin-bottom:40px}.feature-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;transition:all var(--transition-normal)}.feature-card:hover{transform:translateY(-4px);border-color:var(--feature-color);box-shadow:0 8px 24px #0000004d}.feature-icon{width:56px;height:56px;border-radius:var(--radius-md);background:var(--feature-color);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:20px}.feature-title{font-size:1.25rem;font-weight:600;margin-bottom:12px}.feature-desc{color:var(--text-secondary);line-height:1.6;margin-bottom:20px}.feature-link{display:flex;align-items:center;gap:6px;color:var(--feature-color);font-weight:500;font-size:.95rem}.feature-link svg{transition:transform var(--transition-fast)}.feature-card:hover .feature-link svg{transform:translate(4px)}.highlights{padding:40px 0}.highlights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.highlight-item{display:flex;align-items:center;gap:12px;padding:16px 20px;background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-color)}.highlight-check{color:var(--secondary-color);flex-shrink:0}.how-it-works{padding:40px 0 60px}.steps{display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap}.step{text-align:center;flex:1;min-width:140px;max-width:180px}.step-number{width:48px;height:48px;border-radius:50%;background:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:600;margin:0 auto 16px}.step h4{font-size:1.1rem;font-weight:600;margin-bottom:8px}.step p{color:var(--text-secondary);font-size:.9rem}.step-arrow{color:var(--text-muted);font-size:1.5rem}@media (max-width: 768px){.hero{padding:40px 0 60px}.hero-title{font-size:2rem}.hero-subtitle br{display:none}.steps{flex-direction:column}.step-arrow{transform:rotate(90deg)}.highlights-grid{grid-template-columns:1fr}}.file-upload-container{width:100%}.file-upload-zone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:48px 32px;text-align:center;transition:all var(--transition-normal);background:var(--bg-card)}.file-upload-zone:hover,.file-upload-zone.drag-over{border-color:var(--primary-color);background:#3b82f60d}.file-upload-zone.has-error{border-color:var(--error-color)}.file-input{display:none}.file-upload-label{display:flex;flex-direction:column;align-items:center;gap:12px;cursor:pointer}.upload-icon{color:var(--text-muted);transition:color var(--transition-fast)}.file-upload-zone:hover .upload-icon,.file-upload-zone.drag-over .upload-icon{color:var(--primary-color)}.upload-text{color:var(--text-secondary);font-size:1rem}.upload-highlight{color:var(--primary-color);font-weight:500}.upload-hint{color:var(--text-muted);font-size:.85rem}.error-message{color:var(--error-color);font-size:.875rem;margin-top:12px;text-align:center}.file-selected{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px}.file-info{display:flex;align-items:center;gap:16px}.file-icon{color:var(--primary-color);flex-shrink:0}.file-details{flex:1;min-width:0}.file-name{font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{color:var(--text-muted);font-size:.85rem;margin-top:4px}.check-icon{color:var(--success-color);flex-shrink:0}.clear-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;margin-top:16px;padding:10px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:transparent;color:var(--text-secondary);font-size:.9rem;transition:all var(--transition-fast)}.clear-btn:hover{border-color:var(--error-color);color:var(--error-color);background:#ef44440d}.optimizer-page{max-width:1200px;margin:0 auto;padding:40px 20px}.step-indicator{display:flex;align-items:center;justify-content:center;margin-bottom:48px;padding:0 20px}.step-item{display:flex;flex-direction:column;align-items:center;gap:8px}.step-item .step-dot{width:40px;height:40px;border-radius:50%;background:var(--bg-card);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem;color:var(--text-secondary);transition:all .3s ease}.step-item span{font-size:.9rem;color:var(--text-secondary);font-weight:500}.step-item.active .step-dot{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.step-item.active span{color:var(--primary-color)}.step-item.completed .step-dot{background:var(--secondary-color);border-color:var(--secondary-color);color:#fff}.step-line{flex:1;max-width:100px;height:2px;background:var(--border-color);margin:0 16px 24px}.step-content{animation:fadeIn .3s ease}.upload-section{max-width:600px;margin:0 auto}.upload-section h2{font-size:1.75rem;margin-bottom:8px;text-align:center}.section-desc{text-align:center;color:var(--text-secondary);margin-bottom:24px}.file-selected-info{display:flex;align-items:center;gap:12px;padding:16px;background:#22c55e1a;border:1px solid rgba(34,197,94,.2);border-radius:8px;margin-top:16px}.file-selected-info svg{color:var(--secondary-color)}.text-success{color:var(--secondary-color);font-size:.85rem;margin-left:auto}.job-description{margin-top:24px}.job-description label{display:block;font-weight:500;margin-bottom:8px;color:var(--text-secondary)}.job-description textarea{width:100%;min-height:120px;padding:16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:.95rem;line-height:1.6;resize:vertical;font-family:inherit;box-sizing:border-box}.job-description textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f61a}.job-description textarea::placeholder{color:var(--text-muted)}.action-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 24px;margin-top:24px;background:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.action-btn:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.action-btn:disabled{opacity:.5;cursor:not-allowed}.secondary-btn{display:flex;align-items:center;justify-content:center;padding:12px 20px;background:transparent;color:var(--text-secondary);border:1px solid var(--border-color);border-radius:8px;font-size:.95rem;cursor:pointer;transition:all .2s ease}.secondary-btn:hover{background:var(--bg-hover);border-color:var(--text-secondary)}.error-alert{padding:12px 16px;background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:8px;color:var(--error-color);margin-top:16px;font-size:.9rem}.content-preview{margin-top:16px}.content-badge{display:inline-block;padding:4px 12px;background:#3b82f61a;color:var(--primary-color);border-radius:12px;font-size:.85rem}.analyze-section{max-width:600px;margin:0 auto}.analyze-preview{text-align:center;padding:40px;background:var(--bg-card);border-radius:16px;border:1px solid var(--border-color);margin-bottom:24px}.preview-icon{color:var(--primary-color);margin-bottom:16px}.analyze-preview h3{font-size:1.5rem;margin-bottom:8px}.analyze-preview p{color:var(--text-secondary);margin-bottom:16px}.analyze-actions{display:flex;gap:16px;justify-content:center}.analyze-actions .action-btn,.analyze-actions .secondary-btn{width:auto;margin-top:0}.analyzing-state{padding:40px 20px}.analysis-progress{display:flex;flex-direction:column;gap:16px;max-width:500px;margin:0 auto 32px}.progress-step{display:flex;align-items:flex-start;gap:16px;padding:16px;background:var(--bg-card);border-radius:8px;border:1px solid var(--border-color);opacity:.5;transition:all .3s ease}.progress-step.active{opacity:1;border-color:var(--primary-color);background:#3b82f60d}.progress-step.completed{opacity:1;border-color:var(--secondary-color)}.progress-step .step-icon{width:40px;height:40px;border-radius:50%;background:var(--bg-hover);display:flex;align-items:center;justify-content:center;color:var(--text-muted);flex-shrink:0}.progress-step.active .step-icon{background:var(--primary-color);color:#fff;animation:pulse 2s infinite}.progress-step.completed .step-icon{background:var(--secondary-color);color:#fff}@keyframes pulse{0%,to{box-shadow:0 0 #3b82f666}50%{box-shadow:0 0 0 10px #3b82f600}}.step-info{flex:1}.step-text{display:block;font-weight:500;margin-bottom:4px}.step-detail{display:block;font-size:.85rem;color:var(--text-muted)}.progress-bar-animate{max-width:500px;margin:0 auto;height:4px;background:var(--border-color);border-radius:2px;overflow:hidden}.progress-bar-animate .progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));transition:width .5s ease}.result-section{animation:fadeIn .3s ease}.view-mode-toggle{display:flex;gap:8px;margin-bottom:24px;padding:4px;background:var(--bg-card);border-radius:8px;border:1px solid var(--border-color)}.view-mode-toggle button{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border-radius:6px;background:transparent;color:var(--text-secondary);border:none;font-size:.9rem;cursor:pointer;transition:all .2s ease;flex:1}.view-mode-toggle button.active{background:var(--primary-color);color:#fff}.scores-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.score-card{background:var(--bg-card);border-radius:12px;padding:20px;text-align:center;border:1px solid var(--border-color)}.score-card.main{grid-column:span 1}.score-label{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:8px}.score-value{font-size:2.5rem;font-weight:700;line-height:1}.score-value.small{font-size:2rem}.score-total{font-size:1rem;color:var(--text-muted)}.structure-section{background:var(--bg-card);border-radius:12px;padding:24px;margin-bottom:24px;border:1px solid var(--border-color)}.structure-section h3{font-size:1.1rem;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.structure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.structure-item{display:flex;align-items:center;gap:10px;padding:12px;border-radius:8px;background:var(--bg-dark);transition:all .2s ease}.structure-item.has{color:var(--secondary-color)}.structure-item.missing{color:var(--error-color);opacity:.7}.missing-sections{margin-top:16px;padding:12px;background:#ef44440d;border-radius:8px;font-size:.9rem;color:var(--text-secondary)}.missing-sections span:first-child{color:var(--error-color);font-weight:500}.suggestions-section{background:var(--bg-card);border-radius:12px;padding:24px;border:1px solid var(--border-color)}.suggestions-section h3{font-size:1.1rem;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.suggestions-list{display:flex;flex-direction:column;gap:12px}.suggestion-card{padding:16px;background:var(--bg-dark);border-radius:8px;border:1px solid var(--border-color);cursor:pointer;transition:all .2s ease}.suggestion-card:hover{border-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 12px #0003}.suggestion-card.selected{border-color:var(--primary-color);background:#3b82f60d}.suggestion-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.suggestion-icon{flex-shrink:0}.suggestion-icon.error{color:var(--error-color)}.suggestion-icon.warning{color:var(--warning-color)}.suggestion-icon.improvement{color:var(--secondary-color)}.suggestion-title{flex:1;font-weight:500}.suggestion-type-badge{padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:500}.suggestion-type-badge.error{background:#ef444433;color:var(--error-color)}.suggestion-type-badge.warning{background:#f59e0b33;color:var(--warning-color)}.suggestion-type-badge.improvement{background:#22c55e33;color:var(--secondary-color)}.suggestion-description{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.detailed-view{display:grid;grid-template-columns:1fr 320px;gap:24px}.resume-display{background:var(--bg-card);border-radius:12px;padding:24px;border:1px solid var(--border-color)}.resume-display h3{font-size:1.1rem;margin-bottom:12px}.legend{display:flex;gap:16px;margin-bottom:16px;padding:12px;background:var(--bg-dark);border-radius:8px;flex-wrap:wrap}.legend-item{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-secondary)}.legend-item .dot{width:10px;height:10px;border-radius:50%}.legend-item .dot.error{background:var(--error-color)}.legend-item .dot.warning{background:var(--warning-color)}.legend-item .dot.improvement{background:var(--secondary-color)}.resume-content-highlighted{max-height:600px;overflow-y:auto;padding:16px;background:var(--bg-dark);border-radius:8px;font-size:.9rem;line-height:1.8;white-space:pre-wrap}.suggestions-sidebar{background:var(--bg-card);border-radius:12px;padding:20px;border:1px solid var(--border-color);max-height:700px;overflow-y:auto}.suggestions-sidebar h3{font-size:1rem;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.sidebar-suggestion{display:flex;gap:12px;padding:12px;background:var(--bg-dark);border-radius:8px;margin-bottom:10px;border-left:3px solid var(--border-color)}.sidebar-suggestion.error{border-left-color:var(--error-color)}.sidebar-suggestion.warning{border-left-color:var(--warning-color)}.sidebar-suggestion.improvement{border-left-color:var(--secondary-color)}.suggestion-number{width:24px;height:24px;border-radius:50%;background:var(--bg-hover);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;flex-shrink:0}.suggestion-brief{flex:1}.suggestion-brief .section-tag{display:inline-block;padding:2px 8px;background:var(--bg-hover);border-radius:4px;font-size:.75rem;color:var(--text-muted);margin-bottom:4px}.suggestion-brief p{font-size:.85rem;line-height:1.4}.side-by-side-view{display:grid;grid-template-columns:1fr 1fr;gap:24px}.resume-panel,.analysis-panel{background:var(--bg-card);border-radius:12px;padding:24px;border:1px solid var(--border-color)}.resume-panel h3,.analysis-panel h3{font-size:1.1rem;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.resume-text{max-height:600px;overflow-y:auto;padding:16px;background:var(--bg-dark);border-radius:8px;font-size:.85rem;line-height:1.8;white-space:pre-wrap;font-family:Monaco,Menlo,monospace}.analysis-summary{text-align:center}.analysis-summary .score-display{margin-bottom:24px}.analysis-summary .score{display:block;font-size:4rem;font-weight:700;margin-bottom:8px}.key-issues{text-align:left}.key-issues h4{margin-bottom:12px;font-size:1rem}.key-issues ul{list-style:none;padding:0}.key-issues li{padding:8px 0 8px 20px;position:relative}.key-issues li:before{content:"•";position:absolute;left:0;color:var(--warning-color)}.priority-fixes{background:var(--bg-card);border-radius:12px;padding:24px;margin-top:24px;border:1px solid var(--border-color)}.priority-fixes h3{font-size:1.1rem;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.priority-list{display:flex;flex-direction:column;gap:12px}.priority-item{display:flex;gap:12px;padding:16px;background:var(--bg-dark);border-radius:8px;border-left:3px solid var(--primary-color)}.priority-rank{width:28px;height:28px;border-radius:50%;background:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600;flex-shrink:0}.priority-content{flex:1}.priority-content strong{display:block;margin-bottom:4px;color:var(--text-primary)}.priority-content p{font-size:.9rem;color:var(--text-secondary);line-height:1.5}@media (max-width: 900px){.detailed-view,.side-by-side-view{grid-template-columns:1fr}.scores-grid{grid-template-columns:repeat(2,1fr)}.score-card.main{grid-column:span 2}}@media (max-width: 600px){.optimizer-page{padding:20px 16px}.step-indicator{margin-bottom:32px}.step-item span{font-size:.75rem}.step-line{margin:0 8px 20px}.view-mode-toggle{flex-direction:column}.structure-grid{grid-template-columns:1fr}.analysis-progress{max-width:100%}.scores-grid{grid-template-columns:1fr}.score-card.main{grid-column:span 1}.analyze-actions{flex-direction:column}.analyze-actions .action-btn,.analyze-actions .secondary-btn{width:100%}}.builder-page{max-width:800px;margin:0 auto}.builder-container{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-color);overflow:hidden;display:flex;flex-direction:column;height:calc(100vh - 200px);min-height:500px}.builder-header{padding:20px 24px;border-bottom:1px solid var(--border-color);background:var(--bg-dark)}.builder-header h2{font-size:1.1rem;margin-bottom:16px}.progress-bar{height:4px;background:var(--border-color);border-radius:2px;margin-bottom:16px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));transition:width .5s ease}.phase-indicator{display:flex;gap:8px;flex-wrap:wrap}.phase-tag{display:flex;align-items:center;gap:4px;padding:4px 10px;background:var(--bg-hover);border-radius:12px;font-size:.8rem;color:var(--text-muted);transition:all var(--transition-fast)}.phase-tag.active{background:var(--primary-color);color:#fff}.phase-tag.completed{background:#22c55e33;color:var(--secondary-color)}.chat-area{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.message{display:flex;gap:12px;max-width:85%}.message.user{align-self:flex-end;flex-direction:row-reverse}.message-avatar{flex-shrink:0}.avatar-ai,.avatar-user{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center}.avatar-ai{background:var(--primary-color);color:#fff}.avatar-user{background:var(--bg-hover);color:var(--text-secondary);border:1px solid var(--border-color)}.message-content{display:flex;flex-direction:column;gap:4px}.message-bubble{padding:12px 16px;border-radius:var(--radius-md);font-size:.95rem;line-height:1.6}.message.assistant .message-bubble{background:var(--bg-dark);border:1px solid var(--border-color)}.message.user .message-bubble{background:var(--primary-color);color:#fff}.message-time{font-size:.75rem;color:var(--text-muted)}.message.user .message-time{text-align:right}.typing{display:flex;gap:4px;align-items:center;padding:16px!important}.typing-dot{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typingBounce 1.4s ease-in-out infinite}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.quick-replies{display:flex;gap:8px;padding:12px 24px;overflow-x:auto;border-top:1px solid var(--border-color)}.quick-reply-btn{padding:8px 16px;background:var(--bg-hover);border:1px solid var(--border-color);border-radius:16px;color:var(--text-secondary);font-size:.9rem;white-space:nowrap;transition:all var(--transition-fast)}.quick-reply-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.input-area{padding:16px 24px;border-top:1px solid var(--border-color);background:var(--bg-dark)}.input-wrapper{display:flex;gap:12px;align-items:center}.input-wrapper input{flex:1;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.95rem;transition:border-color var(--transition-fast)}.input-wrapper input:focus{outline:none;border-color:var(--primary-color)}.input-wrapper input::placeholder{color:var(--text-muted)}.send-btn{width:40px;height:40px;border-radius:50%;background:var(--primary-color);color:#fff;border:none;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.send-btn:hover:not(:disabled){background:var(--primary-dark)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.generate-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:12px;padding:12px;background:linear-gradient(135deg,var(--secondary-color),#059669);color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:500;transition:all var(--transition-fast)}.generate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #10b9814d}.generate-btn:disabled{opacity:.7;cursor:not-allowed}.resume-preview{flex:1;display:flex;flex-direction:column;padding:24px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.preview-header h3{font-size:1.1rem}.preview-actions{display:flex;gap:12px}.preview-actions .secondary-btn,.preview-actions .action-btn{padding:8px 20px;font-size:.9rem}.preview-content{flex:1;overflow-y:auto;background:var(--bg-dark);border-radius:var(--radius-md);padding:24px}.preview-content pre{font-family:Monaco,Menlo,Consolas,monospace;font-size:.9rem;line-height:1.8;color:var(--text-primary);white-space:pre-wrap}@media (max-width: 640px){.builder-container{border-radius:0;border-left:none;border-right:none;height:calc(100vh - 140px)}.builder-header{padding:16px}.phase-indicator{gap:6px}.phase-tag span{display:none}.chat-area{padding:16px}.message{max-width:95%}.quick-replies,.input-area{padding:12px 16px}.preview-actions{flex-direction:column}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #3b82f6;--primary-dark: #2563eb;--secondary-color: #10b981;--accent-color: #f59e0b;--bg-dark: #0a0a0a;--bg-card: #141414;--bg-hover: #1a1a1a;--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--border-color: rgba(255, 255, 255, .1);--border-hover: rgba(255, 255, 255, .2);--success-color: #22c55e;--warning-color: #f59e0b;--error-color: #ef4444;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--transition-fast: .15s ease;--transition-normal: .3s ease}body{font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-dark);color:var(--text-primary);min-height:100vh;line-height:1.6}button{font-family:inherit;cursor:pointer}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-card)}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fadeIn{animation:fadeIn .5s ease-out}.animate-pulse{animation:pulse 2s ease-in-out infinite}.animate-spin{animation:spin 1s linear infinite}